3D printing has evolved from a novelty item to a viable in-store tool

3D printing is being used across a range of industries, from construction to medical technology. Its use in the food industry continues to grow, allowing for customization across a number of categories. 3D printing of confectionery has focused primarily on chocolate and hard sugar candy, tut recent innovations have led to printing of gummy candy. In the US, retailer Dylan’s Candy Bar is offering in-store 3D printing, providing consumers with over 100 designs for candy that can be made in five minutes.

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“3D printing candy with desired texture according to personal dietary requirements using pectin gel” – Presented by Valérie Vancauwenberghe, KU Leuven

Pectin is a complex and structurally diverse group of polymers widely used in jelly, jam or low-calorie products. This study demonstrated that low methoxylated (LM) pectin gel is a suitable material for 3-D printing. Moreover, variable properties can be obtained by varying the gel formulation such as pectin or sugar syrup concentrations. Air bubbles can also be trapped and stabilized with surfactant protein in order to provide particular porosity which may provide subtle texture properties. This promising edible ink would give the opportunity to future customers to design in 3-D their candy with desired texture according to their personal dietary requirements.

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